194999998453400 has 48 divisors (see below), whose sum is σ = 518142853037040. Its totient is φ = 66857142326400.

The previous prime is 194999998453297. The next prime is 194999998453451. The reversal of 194999998453400 is 4354899999491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69642855191 + ... + 69642857990.

It is an arithmetic number, because the mean of its divisors is an integer number (10794642771605).

Almost surely, 2^{194999998453400} is an apocalyptic number.

194999998453400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194999998453400 is an abundant number, since it is smaller than the sum of its proper divisors (323142854583640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194999998453400 is a wasteful number, since it uses less digits than its factorization.

194999998453400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139285713204 (or 139285713195 counting only the distinct ones).

The product of its (nonzero) digits is 4081466880, while the sum is 83.

The spelling of 194999998453400 in words is "one hundred ninety-four trillion, nine hundred ninety-nine billion, nine hundred ninety-eight million, four hundred fifty-three thousand, four hundred".